Add a SymbolsIterator to aid with Symbols Segmentation

third_party/WebKit/Source/wtf/text/CharacterNames.h

Index: third_party/WebKit/Source/wtf/text/CharacterNames.h
diff --git a/third_party/WebKit/Source/wtf/text/CharacterNames.h b/third_party/WebKit/Source/wtf/text/CharacterNames.h
index 0c1496be2b143590e7ba33f1bd6a2f6c06b207f4..6436b1996ee913816cf863de450448efd8d417ef 100644
--- a/third_party/WebKit/Source/wtf/text/CharacterNames.h
+++ b/third_party/WebKit/Source/wtf/text/CharacterNames.h
@@ -47,9 +47,11 @@ const UChar blackUpPointingTriangleCharacter = 0x25B2;
 const UChar bulletCharacter = 0x2022;
 const UChar bullseyeCharacter = 0x25CE;
 const UChar carriageReturnCharacter = 0x000D;
-const UChar tabulationCharacter = 0x0009;
+const UChar combiningEnclosingCircleBackslashCharacter = 0x20E0;
+const UChar combiningEnclosingKeycapCharacter = 0x20E3;
 const UChar ethiopicPrefaceColonCharacter = 0x1366;
 const UChar ethiopicWordspaceCharacter = 0x1361;
+const UChar32 eyeCharacter = 0x1F441;
 const UChar firstStrongIsolateCharacter = 0x2068;
 const UChar fisheyeCharacter = 0x25C9;
 const UChar fullstopCharacter = 0x002E;
@@ -70,6 +72,7 @@ const UChar latinCapitalLetterIWithDotAbove = 0x0130;
 const UChar latinSmallLetterDotlessI = 0x0131;
 const UChar leftDoubleQuotationMarkCharacter = 0x201C;
 const UChar leftSingleQuotationMarkCharacter = 0x2018;
+const UChar32 leftSpeechBubbleCharacter = 0x1F5E8;
 const UChar leftToRightEmbedCharacter = 0x202A;
 const UChar leftToRightIsolateCharacter = 0x2066;
 const UChar leftToRightMarkCharacter = 0x200E;
@@ -95,6 +98,7 @@ const UChar sesameDotCharacter = 0xFE45;
 const UChar smallLetterSharpSCharacter = 0x00DF;
 const UChar softHyphenCharacter = 0x00AD;
 const UChar spaceCharacter = 0x0020;
+const UChar tabulationCharacter = 0x0009;
 const UChar tibetanMarkIntersyllabicTshegCharacter = 0x0F0B;
 const UChar tibetanMarkDelimiterTshegBstarCharacter = 0x0F0C;
 const UChar32 ugariticWordDividerCharacter = 0x1039F;
@@ -125,9 +129,11 @@ using WTF::Unicode::blackUpPointingTriangleCharacter;
 using WTF::Unicode::bulletCharacter;
 using WTF::Unicode::bullseyeCharacter;
 using WTF::Unicode::carriageReturnCharacter;
-using WTF::Unicode::tabulationCharacter;
+using WTF::Unicode::combiningEnclosingKeycapCharacter;
+using WTF::Unicode::combiningEnclosingCircleBackslashCharacter;
 using WTF::Unicode::ethiopicPrefaceColonCharacter;
 using WTF::Unicode::ethiopicWordspaceCharacter;
+using WTF::Unicode::eyeCharacter;
 using WTF::Unicode::firstStrongIsolateCharacter;
 using WTF::Unicode::fisheyeCharacter;
 using WTF::Unicode::fullstopCharacter;
@@ -148,6 +154,7 @@ using WTF::Unicode::latinCapitalLetterIWithDotAbove;
 using WTF::Unicode::latinSmallLetterDotlessI;
 using WTF::Unicode::leftDoubleQuotationMarkCharacter;
 using WTF::Unicode::leftSingleQuotationMarkCharacter;
+using WTF::Unicode::leftSpeechBubbleCharacter;
 using WTF::Unicode::leftToRightEmbedCharacter;
 using WTF::Unicode::leftToRightIsolateCharacter;
 using WTF::Unicode::leftToRightMarkCharacter;
@@ -173,6 +180,7 @@ using WTF::Unicode::sesameDotCharacter;
 using WTF::Unicode::smallLetterSharpSCharacter;
 using WTF::Unicode::softHyphenCharacter;
 using WTF::Unicode::spaceCharacter;
+using WTF::Unicode::tabulationCharacter;
 using WTF::Unicode::tibetanMarkIntersyllabicTshegCharacter;
 using WTF::Unicode::tibetanMarkDelimiterTshegBstarCharacter;
 using WTF::Unicode::ugariticWordDividerCharacter;